Home / 54,128.71-74,694.61-29,928.27

Finding the Fourth Proportional to 54,128.71, 74,694.61 and 29,928.27

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Solution

The fourth proportional to 54,128.71, 74,694.61 and 29,928.27 is: 41,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128.71 : 74,694.61 = 29,928.27 : x
  2. Step 2: Convert to fraction form
    54,128.71/74,694.61 = 29,928.27/x
  3. Step 3: Cross multiply
    54,128.71x = 74,694.61 × 29,928.27
  4. Step 4: Simplify right side
    54,128.71x = 2,235,480,455.62
  5. Step 5: Solve for x
    x = 2,235,480,455.62/54,128.71
  6. Step 6: Final answer
    x = 41,299.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.